CN102337897A - Shield integral type arrival receiving device and construction method employing same - Google Patents

Shield integral type arrival receiving device and construction method employing same Download PDF

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Publication number
CN102337897A
CN102337897A CN2011101691200A CN201110169120A CN102337897A CN 102337897 A CN102337897 A CN 102337897A CN 2011101691200 A CN2011101691200 A CN 2011101691200A CN 201110169120 A CN201110169120 A CN 201110169120A CN 102337897 A CN102337897 A CN 102337897A
Authority
CN
China
Prior art keywords
shield
receiving system
upper shell
arrives
whole formula
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011101691200A
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Chinese (zh)
Inventor
周文波
张冠军
吴惠明
郑宜枫
段创峰
巴雅吉乎
魏林春
赵燕鹏
滕丽
吴列成
李刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Tunnel Engineering Co Ltd
Original Assignee
Shanghai Tunnel Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Tunnel Engineering Co Ltd filed Critical Shanghai Tunnel Engineering Co Ltd
Priority to CN2011101691200A priority Critical patent/CN102337897A/en
Publication of CN102337897A publication Critical patent/CN102337897A/en
Pending legal-status Critical Current

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Abstract

The invention provides a shield integral type arrival receiving device, which is arranged in a foundation pit active well on the outer side of a shield arrival tunnel ring and comprises a lower shell and an upper shell, wherein the bottom part of the lower shell is arranged on a base at the bottom of the active well; one end part of the lower shell is connected with a pre-embedded steel plate on a lining wall of the active well; the upper shell is arranged above the lower shell; the bottom part of the upper shell is connected with the lower shell; one end of the upper shell is connected with the pre-embedded steel plate; the upper shell and the lower shell form an integral sealing space; a water discharge port is arranged on the lower shell; a water inlet, an air outlet, a pressure gage and an observation hole are arranged on the upper shell; and the upper shell and the lower shell are provided with a safety overflow valve respectively. The invention also provides a construction method employing the shield integral type arrival receiving device. By the device and the construction method, phenomena such as water leakage, mud leakage and the like of the tunnel ring can be effectively prevented, so the risk of shield arrival is reduced, and the cost of shield arrival is effectively saved.

Description

The shield whole formula arrives receiving system and utilizes the job practices of this device
Technical field
The invention belongs to construction work tunnel construction technology field, relate to the job practices that a kind of shield whole formula arrives receiving system and utilizes this device.
Background technology
Shield method is the job practices of soft soil layer tunnel excavation, utilizes active well that the shield driving function is constructed along predetermined tunnel axis and absolute altitude position.Shield Method has no adverse effects to environment owing to less to the ground structure influence, and intensity of workers is low; Mechanization degree is high, and programming is fast, and the tunnel shape is accurate; The quality advantages of higher has become the important construction technology in the urban rail transit in China construction at present.
Existing shield structure arrives receive mode and generally comprises three partial contents: one, in the peripheral certain limit of foundation ditch, adopt suitable stratum consolidation mode to carry out the soil stabilization improvement that the shield structure arrives section earlier; Two, the suitable stratum precipitation mode of employing is carried out water conservancy project and is reduced foundation ditch outside, a shield structure arrival section groundwater table, thereby prevents that underground water pours in the reception foundation ditch in the shield structure arrival receiving course from the slit, damages; Three, the general Dong Quan position that the arrival of shield structure is reserved in foundation ditch is installed a circle hermetic seal packing ring and is guaranteed that the shield structure arrives the safety of reception, though hole circle seal washer has certain plugging action, if soil stabilization is bad; Precipitation is not in place, leaks easily, in addition; Sealing ring advances in the active well process at shield machine and turns up easily, problems such as damage, thus also cause the hole circle to leak, leak mud; And in case generation destruction is caused leakage, in-situ processing is difficulty very, causes engineering accident easily.
The technical difficulty that the shield structure arrives when receiving in the existing shield construction is high, and potential safety hazard is many, and phenomenon such as occur caving in, leak easily.In order to address these problems and potential safety hazard, make shield structure safety, get into active well fast, need further to improve.
Summary of the invention
The present invention is directed to the deficiency and the defective of prior art, its technical problem that will solve provides a kind of shield whole formula of construction safety that makes and arrives receiving system.
Shield whole formula of the present invention arrives receiving system; It is arranged in the foundation ditch active well in the circle outside, shield structure arrival hole; Comprise a lower house, its bottom places on the base of being located at the bottom of the active well, and the one of which end links to each other with pre-embedded steel slab on the inwall of being located at active well;
One upper shell places on the said lower house, and its bottom links to each other with said lower house, and the one of which end links to each other with said pre-embedded steel slab, and said upper shell and lower house constitute the space of an integral sealing.
Said shield whole formula arrival receiving system is provided with support away from an end of pre-embedded steel slab.
Described lower house is provided with an outfall, and described upper shell is provided with a water inlet and an exhaust opening.
Respectively be provided with a safety overflow valve on described upper shell and the lower house.
Said upper shell is provided with a pressure meter and a peep hole.
Described lower house is provided with an inlet/outlet.
The present invention also provides a kind of job practices of utilizing described shield whole formula to arrive receiving system.
The present invention adopts shield whole to advance the mode of active well, can effectively prevent the hole circle mud phenomenon of leaking with Louing, thus reduction shield structure arrival risk.In addition, the present invention need not carry out the stratum consolidation in big zone to the portal outside, even can carry out stratum consolidation; Can effectively practice thrift the cost that the shield structure arrives, adopt precast construction, on-the-spot easy for installation; Recyclable utilization is applicable to different big or small various tunnels.In whole shield structure arrival process, guarantee all the time to construct to be in controllable state, and strictly observe safety, the specifications of quality, guarantee that the shield structure arrives reception smoothly, safely, fast.
Description of drawings
Fig. 1 is a shield whole formula of the present invention front view when arriving receiving system and not installing.
Fig. 2 is a shield whole formula of the present invention lateral view when arriving receiving system and not installing.
Fig. 3 is a shield whole formula of the present invention vertical view when arriving receiving system and not installing.
Fig. 4 is that the present invention adopts shield machine cutting portal mode, and the shield structure gets into and arrives the preceding sketch map of receiving system.
Fig. 5 is that the present invention adopts traditional portal mode that cuts, and the shield structure gets into and arrives the preceding sketch map of receiving system.
Fig. 6 is that shield whole formula of the present invention arrives receiving system slip casting envelope portal partial schematic diagram.
Fig. 7 is that shield whole formula of the present invention arrives receiving system shield structure reception back sketch map.
The specific embodiment
Referring to Fig. 1~Fig. 3, shield whole formula of the present invention arrives receiving system and is made up of upper shell 1, lower house 2, connecting bolt 3, water inlet 4, safety overflow valve 5, exhaust opening 6, pressure meter 7, reservation peep hole 8, outfall 9, safety overflow valve 10, personnel's inlet/outlet 23 etc.
Referring to Fig. 4~Fig. 5; The erection sequence of each member is following: lower house 2 is positioned on the base 11; Be in place through bolt 16 with the pre-embedded steel slab 15 on the inwall 14; Be placed on upper shell 1 on the lower house 2 then, connect through connecting bolt 3, and be installed on the pre-embedded steel slab 15 of inwall 14 through bolt 16; Support 12, water inlet 4, safety overflow valve 5, exhaust opening 6, pressure meter 7, reservation peep hole 8, outfall 9, the safety overflow valve 10 of single unit system are installed at last, are accomplished the installation that the shield whole formula arrives receiving system.
The shield whole formula arrives the implementation process of method of reseptance:
During 50-100m, earlier the shield machine axis is carried out repetition measurement apart from the hole at shield machine, guarantee shield structure off-centre within scope of design, this is to arrive the precondition that receives construction.
After shield structure axis repetition measurement is accomplished; Carry out the shield structure and arrive the preparation before receiving, the on-the-spot shield whole formula of installing arrives receiving system, removes portal; For the mode of the dismounting of the portal in the preliminary bracing 25 24, can adopt traditional approach to cut or the direct modes of cutting portals 24 of shield machine 13.After the installation, slurries or water are injected and are full of in the whole device, carry out shield machine then and arrive tunneling construction through water inlet 4.After accomplishing last a slice pipe sheet assembling, continuation advances the shield structure but not exclusively deviates from the section of jurisdiction, keeps the sealing function of 17 of shield ventral brush 19 and sections of jurisdiction, then through the 18 outside slip castings of section of jurisdiction injected hole, after slurries solidify, forms grouting curtain 20 to protect construction safety.Discharge slurries in the shield whole formula receiving system through outfall 9 afterwards, advance shield machine 13, make it get into monolithic arrival receiving system fully, remove the shield whole formula at last and arrive receiving system, the shield structure arrives and receives the construction end.Because in the construction, the shield machine 13 and the soil body all are under the protection of whole sealing device, so whole construction course is fool proof.In addition, device reservation personnel inlet/outlet 23, the personnel of preparing against pass in and out the need of use.
The implementation step that shield whole arrives method of reseptance is following:
1) repetition measurement shield machine axis guarantees that shield machine off-centre is in scope of design.
2) the on-the-spot shield whole of installing arrives receiving system, prepares to receive construction, like Fig. 4 or Fig. 5.
3) through water inlet 4 slurries or water are injected and are full of in the whole device, advance the shield structure, the integral body that makes the shield structure slowly get into sealing arrives in the receiving system.
4) accomplish last endless tube sheet 17 assembly units, continue to advance the shield structure but not exclusively deviate from the section of jurisdiction, keep the sealing function of 17 of shield ventral brush 19 and sections of jurisdiction, conventional hole circle sealing ring 21 and shield machine housing 22 sealing functions, form one can slip casting the space, like Fig. 6.
5) through the 18 outside slip castings of section of jurisdiction injected hole, form grouting curtain 20, the hole that shutoff deviates to form because of shield machine housing (22) is enclosed and the slit of 17 of sections of jurisdiction.
6) after grouting curtain 20 forms, discharge slurries in the single unit system, advance shield machine 13 then through outfall 9; Make it get into monolithic fully and arrive receiving system, then the hole circle is carried out last processing, remove the shield whole formula and arrive receiving system; The shield structure arrives and receives the construction end, like Fig. 7.
This shield whole formula arrives receiving system on-the-spot installation before the shield structure arrives reception.Shield machine 13 arrives when receiving; To enter into whole device; In the whole process that the shield structure receives, all will in this device, accomplish, whole sealing device can be kept out huge water and soil pressure; Because of the hole circle leaks mud, the hazards that cause of leaking will no longer exist, guarantee that shield structure safety, smooth arrival receive.
This method has outstanding substantive distinguishing features and obvious improvement, uses the advantage after the shield whole formula arrives method of reseptance:
1) adopts the shield whole formula to arrive the method that receives and effectively to reduce shield structure arrival reception construction risk, guarantee that the shield structure receives smoothly.
2) adopt the shield whole formula to arrive method of reseptance and can eliminate dangerous situations such as receiving caused leakage mud spillage because of the shield structure, it is carried out in an airtight space all the time, do not produce dangerous to external world.
3) adopt the shield whole formula to arrive method of reseptance and need not shield structure arrival zone is processed and dewatering construction, reduce engineering cost.
4) the shield whole formula arrives method of reseptance and can resist different water and soil pressure according to the engineering concrete condition, and device can be realized complete recycling.

Claims (7)

1. a shield whole formula arrives receiving system, and it is arranged in the foundation ditch active well in the circle outside, shield structure arrival hole, it is characterized in that comprising:
One lower house, its bottom places on the base of being located at the bottom of the active well, and the one of which end links to each other with pre-embedded steel slab on the inwall of being located at active well;
One upper shell places on the said lower house, and its bottom links to each other with said lower house, and the one of which end links to each other with said pre-embedded steel slab, and said upper shell and lower house constitute the space of an integral sealing.
2. shield whole formula as claimed in claim 1 arrives receiving system, it is characterized in that said shield whole formula arrival receiving system is provided with support away from an end of pre-embedded steel slab.
3. according to claim 1 or claim 2 shield whole formula arrives receiving system, it is characterized in that described lower house is provided with an outfall, and described upper shell is provided with a water inlet and an exhaust opening.
4. shield whole formula as claimed in claim 3 arrives receiving system, it is characterized in that respectively being provided with on described upper shell and the lower house safety overflow valve.
5. shield whole formula as claimed in claim 4 arrives receiving system, it is characterized in that said upper shell is provided with a pressure meter and a peep hole.
6. shield whole formula as claimed in claim 5 arrives receiving system, it is characterized in that described lower house is provided with an inlet/outlet.
7. any described shield whole formula arrives the job practices of receiving system in utilization such as the claim 1~6, comprises step:
1) repetition measurement shield machine axis guarantees that shield machine off-centre is in scope of design;
2) the on-the-spot installation like any described shield whole in the claim 1~6 arrives receiving system, prepares to receive construction;
3) through water inlet slurries or water are injected and are full of in the whole device, advance the shield structure, the integral body that makes the shield structure get into sealing arrives in the receiving system;
4) accomplish last endless tube sheet assembly unit, continue to advance the shield structure but not exclusively deviate from the section of jurisdiction, keep the sealing function between shield ventral brush and section of jurisdiction, conventional hole circle sealing ring and shield machine housing seal effect, form one can slip casting the space;
5), form grouting curtain, hole circle that shutoff deviates to form because of the shield machine housing and the slit between the section of jurisdiction through the outside slip casting of section of jurisdiction injected hole;
6) after grouting curtain forms, discharge slurries in the single unit system, advance shield machine then, make it get into monolithic fully and arrive receiving system, then the hole circle is carried out last processing, remove the shield whole formula and arrive receiving system through outfall.
CN2011101691200A 2011-06-21 2011-06-21 Shield integral type arrival receiving device and construction method employing same Pending CN102337897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101691200A CN102337897A (en) 2011-06-21 2011-06-21 Shield integral type arrival receiving device and construction method employing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011101691200A CN102337897A (en) 2011-06-21 2011-06-21 Shield integral type arrival receiving device and construction method employing same

Publications (1)

Publication Number Publication Date
CN102337897A true CN102337897A (en) 2012-02-01

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Country Link
CN (1) CN102337897A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635361A (en) * 2012-05-06 2012-08-15 上海城建市政工程(集团)有限公司 Construction method for holing and welling of shield machine
CN102635365A (en) * 2012-05-06 2012-08-15 上海城建市政工程(集团)有限公司 Construction method for holing of shield machine
CN102748038A (en) * 2012-07-11 2012-10-24 上海盾构设计试验研究中心有限公司 Full-recovery shield tunnel enter and exit water stop device
CN102797483A (en) * 2012-08-07 2012-11-28 天津城建隧道股份有限公司 Pile casing and water-rich strata shield pile casing receiving method
CN102889085A (en) * 2012-10-14 2013-01-23 上海城建市政工程(集团)有限公司 Tunneling construction method for shield tunneling machine
CN104047607A (en) * 2013-03-14 2014-09-17 上海市城市建设设计研究总院 Construction method for lifting out shield tunneling machine under condition of envelop enclosure
CN104806254A (en) * 2014-01-26 2015-07-29 宏润建设集团股份有限公司 Auxiliary device for shield tunneling machine to reach receiving position and auxiliary receiving construction method
CN105464671A (en) * 2015-12-16 2016-04-06 中铁工程装备集团机电工程有限公司 Light steel sleeve for receiving shield
CN111636882A (en) * 2020-05-22 2020-09-08 中铁十四局集团有限公司 Shield tail sealing system of shield machine and control method

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JPH077341B2 (en) * 1986-03-13 1995-01-30 富士通株式会社 Packet table editing method
JP4077341B2 (en) * 2003-03-07 2008-04-16 株式会社錢高組 Shaft machine shaft construction method and pressure-resistant sealing device used for this
CN101353965A (en) * 2008-09-05 2009-01-28 上海隧道工程股份有限公司 Shield hole-drilling apparatus and hole-drilling construction method thereof
CN101608551A (en) * 2009-06-15 2009-12-23 广东华隧建设股份有限公司 The job practices of a kind of shield machine closed origin and arrival

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JPH077341B2 (en) * 1986-03-13 1995-01-30 富士通株式会社 Packet table editing method
JP4077341B2 (en) * 2003-03-07 2008-04-16 株式会社錢高組 Shaft machine shaft construction method and pressure-resistant sealing device used for this
CN101353965A (en) * 2008-09-05 2009-01-28 上海隧道工程股份有限公司 Shield hole-drilling apparatus and hole-drilling construction method thereof
CN101608551A (en) * 2009-06-15 2009-12-23 广东华隧建设股份有限公司 The job practices of a kind of shield machine closed origin and arrival

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635361A (en) * 2012-05-06 2012-08-15 上海城建市政工程(集团)有限公司 Construction method for holing and welling of shield machine
CN102635365A (en) * 2012-05-06 2012-08-15 上海城建市政工程(集团)有限公司 Construction method for holing of shield machine
CN102635361B (en) * 2012-05-06 2014-04-30 上海城建市政工程(集团)有限公司 Construction method for holing and welling of shield machine
CN102635365B (en) * 2012-05-06 2015-04-22 上海城建市政工程(集团)有限公司 Construction method for holing of shield machine
CN102748038A (en) * 2012-07-11 2012-10-24 上海盾构设计试验研究中心有限公司 Full-recovery shield tunnel enter and exit water stop device
CN102797483A (en) * 2012-08-07 2012-11-28 天津城建隧道股份有限公司 Pile casing and water-rich strata shield pile casing receiving method
CN102889085A (en) * 2012-10-14 2013-01-23 上海城建市政工程(集团)有限公司 Tunneling construction method for shield tunneling machine
CN104047607A (en) * 2013-03-14 2014-09-17 上海市城市建设设计研究总院 Construction method for lifting out shield tunneling machine under condition of envelop enclosure
CN104047607B (en) * 2013-03-14 2016-04-13 上海市城市建设设计研究总院 Engineering method is hung out under shield machine space enclosing structure condition
CN104806254A (en) * 2014-01-26 2015-07-29 宏润建设集团股份有限公司 Auxiliary device for shield tunneling machine to reach receiving position and auxiliary receiving construction method
CN105464671A (en) * 2015-12-16 2016-04-06 中铁工程装备集团机电工程有限公司 Light steel sleeve for receiving shield
CN111636882A (en) * 2020-05-22 2020-09-08 中铁十四局集团有限公司 Shield tail sealing system of shield machine and control method

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Application publication date: 20120201